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AbbreviationsHPLC : High performance liquid chromatography

UPLC : Ultra performance liquid chromatography

RRLC : Rapid resolution liquid chromatography

UHPLC : Ultra high performance liquid chromatography

ICH : International conference on harmonization

Imp : Impurity

LOD : Limit of detection

LOQ : Limit of quantification

PDA : Photo diode array detector

DAD : Diode array detector

Ph. Eur. : European pharmacopeia

USP : United standard pharmacopeia

IP : Indian pharmacopeia

JP : Japanese pharmacopeia

RRF : Relative response factor

RRT : Relative retention time

RSD : Relative standard deviation

RT : Retention time

S/N ratio : Signal / Noise ratio

Stdev : Standard deviation

2,3-DCBC : 2,3–Dichloro benzoyl cyanide

OLN : Olanzapine

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VAL : Valsartan

ZAF : Zafirlukast

TEA : Triethylamine

UV : Ultraviolet

JP : Japan pharmacopeia

IP : Indian pharmacopeia

DS : Drug substance

API : Active pharmaceutical ingredient

DP : Drug product

Avg. : Average

Wt. : Weight

WC : Water content

Pre : Preparation

LC : Liquid chromatography

MP : Mobile phase

RPLC : Reverse phase liquid chromatography

NPLC : Normal phase liquid chromatography

CSP : Column stationary phase

ACN : Acetonitrile

THF : Tetrahydrofuran

MW : Molecular weight

MF : Molecular formula

FDA : Food & drug administration

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ANDA : Abbreviated new drug administration

UV : Ultra-visible

VWD : Variable wavelength detector

CE : Capillary electrophoresis

TLC : Thin layer chromatography

HP-TLC : High performance thin layer chromatography

RI : Refractive index

ELSD : Evaporated light scattering detector

SMUI : Single maximum unknown impurity

RH : Relative humidity

Deg. : Degradation